1479749 has 4 divisors (see below), whose sum is σ = 1498560. Its totient is φ = 1460940.

The previous prime is 1479733. The next prime is 1479757. The reversal of 1479749 is 9479741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1479749 - 2⁴ = 1479733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9287 + ... + 9444.

It is an arithmetic number, because the mean of its divisors is an integer number (374640).

2^1479749 is an apocalyptic number.

It is an amenable number.

1479749 is a deficient number, since it is larger than the sum of its proper divisors (18811).

1479749 is an equidigital number, since it uses as much as digits as its factorization.

1479749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18810.

The product of its digits is 63504, while the sum is 41.

The square root of 1479749 is about 1216.4493413209. The cubic root of 1479749 is about 113.9539415868.

The spelling of 1479749 in words is "one million, four hundred seventy-nine thousand, seven hundred forty-nine".